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<div class="header">
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<div class="title">/package/requirements </div>  </div>
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<div class="contents">
<div class="textblock"><p><a class="anchor" id="element_requirements"></a> There are three different requirement types:</p>
<ul>
<li>The <code>&lt;packages&gt;</code> section lists CMSIS Packs that have been used to configure the project. This includes the specification of a <code>version</code> range to ensure compatibility. If no version is provided, the latest installed version is used. If not yet installed, the latest available version will be installed before resolving the configuration.</li>
<li>The <code>&lt;compilers&gt;</code> section specifies the toolchains that are supported by this example. The required compiler version is specified using the <code>version</code> element. If no compiler is specified, it is assumed that any toolchain will work.</li>
<li>The <code>&lt;languages&gt;</code> section allows to specify requirements regarding the programming language, for example C99 standard. If no language requirements are set, ANSI C is assumed.</li>
</ul>
<p><b>Example</b> requirements section: </p>
<div class="fragment"><div class="line">&lt;<span class="keyword">package </span>xmlns:xsi=&quot;http:<span class="comment">//www.w3.org/2001/XMLSchema-instance&quot; xsi:noNamespaceSchemaLocation=&quot;PACK.xsd&quot;/&gt;</span></div>
<div class="line">  ...</div>
<div class="line">  &lt;requirements&gt;</div>
<div class="line">    &lt;packages&gt;</div>
<div class="line">      &lt;package name=&quot;STM32F4xx_DFP&quot; vendor=&quot;Keil&quot; version=&quot;2.8.0:2.8.0&quot;/&gt;</div>
<div class="line">    &lt;/packages&gt;</div>
<div class="line">    &lt;compilers&gt;</div>
<div class="line">      &lt;compiler name=&quot;ARMCC&quot; version=&quot;5.0.0:5.99.0&quot;/&gt;</div>
<div class="line">    &lt;/compilers&gt;</div>
<div class="line">    &lt;languages&gt;</div>
<div class="line">      &lt;language name=&quot;C&quot; version=&quot;99&quot;/&gt;</div>
<div class="line">    &lt;/languages&gt;</div>
<div class="line">  &lt;/requirements&gt;</div>
<div class="line">  ...</div>
<div class="line">&lt;/package&gt;</div>
</div><!-- fragment --><p><b>/requirements</b> </p>
<table  class="cmtable" summary="Element: package">
<tr>
<th>Parents </th><th colspan="3">Element Chain  </th></tr>
<tr>
<td><a class="el" href="pdsc_package_pg.html#element_package">package</a> </td><td colspan="3"><a class="el" href="pdsc_package_pg.html#element_package">/package</a>  </td></tr>
<tr>
<th>Attributes </th><th>Description </th><th>Type </th><th>Use  </th></tr>
<tr>
<th>Child Elements </th><th>Description </th><th>Type </th><th>Occurrence  </th></tr>
<tr>
<td><a class="el" href="element_requirements_pg.html#element_packages">packages</a> </td><td>List of software packs required for the project to build. </td><td><a class="el" href="element_requirements_pg.html#element_packages">PackagesType</a> </td><td>&lt;0..1&gt;  </td></tr>
<tr>
<td><a class="el" href="element_requirements_pg.html#element_compilers">compilers</a> </td><td>List of compilers required for the project to build. Support for all compilers is assumed when not specified. </td><td><a class="el" href="element_requirements_pg.html#element_compilers">CompilersType</a> </td><td>&lt;0..1&gt;  </td></tr>
<tr>
<td><a class="el" href="element_requirements_pg.html#element_languages">languages</a> </td><td>List of language standards required for the project to build. Assuming ANSI C if not set. </td><td><a class="el" href="element_requirements_pg.html#element_languages">LanguagesType</a> </td><td>&lt;0..1&gt;  </td></tr>
</table>
<p>&#160;</p>
<hr/>
<h1><a class="anchor" id="element_packages"></a>
/package/requirements/packages</h1>
<p><b>Example</b> packages section: </p>
<div class="fragment"><div class="line">&lt;<span class="keyword">package </span>xmlns:xsi=&quot;http:<span class="comment">//www.w3.org/2001/XMLSchema-instance&quot; xsi:noNamespaceSchemaLocation=&quot;PACK.xsd&quot;/&gt;</span></div>
<div class="line">  ...</div>
<div class="line">  &lt;requirements&gt;</div>
<div class="line">    &lt;packages&gt;</div>
<div class="line">      &lt;package name=&quot;STM32F4xx_DFP&quot; vendor=&quot;Keil&quot; version=&quot;2.8.0:2.8.0&quot;/&gt;</div>
<div class="line">    &lt;/packages&gt;</div>
<div class="line">  &lt;/requirements&gt;</div>
<div class="line">  ...</div>
<div class="line">&lt;/package&gt;</div>
</div><!-- fragment --><p><b>/package</b> </p>
<table  class="cmtable" summary="Element: package">
<tr>
<th>Parents </th><th colspan="3">Element Chain  </th></tr>
<tr>
<td><a class="el" href="element_requirements_pg.html#element_packages">packages</a> </td><td colspan="3"><a class="el" href="element_requirements_pg.html#element_packages">/package/requirements/packages</a>  </td></tr>
<tr>
<th>Attributes </th><th>Description </th><th>Type </th><th>Use  </th></tr>
<tr>
<td>vendor </td><td>specify vendor of the package (e.g. "ARM") </td><td>RestrictedString </td><td>required  </td></tr>
<tr>
<td>name </td><td>Name of the pack </td><td>RestrictedString </td><td>required  </td></tr>
<tr>
<td>version </td><td><a class="el" href="pdsc_package_pg.html#VersionType">Version</a> of the required software pack which can be:<ul>
<li>Minimum version (higher versions are accepted).</li>
<li>Version range specified with <em>min_version</em><b>:</b><em>max_version</em>. <em>min_version</em> must be lower or equal than <em>max_version</em>. If <em>min_version</em> and <em>max_version</em> are equal, the version must match.</li>
<li>If no version is specified, the latest available version is assumed.  </li>
</ul>
</td><td><a class="el" href="pdsc_package_pg.html#VersionType">VersionType</a> </td><td>optional  </td></tr>
</table>
<p>&#160;</p>
<hr/>
<h1><a class="anchor" id="element_compilers"></a>
/package/requirements/compilers</h1>
<p><b>Example</b> compilers section: </p>
<div class="fragment"><div class="line">&lt;<span class="keyword">package </span>xmlns:xsi=&quot;http:<span class="comment">//www.w3.org/2001/XMLSchema-instance&quot; xsi:noNamespaceSchemaLocation=&quot;PACK.xsd&quot;/&gt;</span></div>
<div class="line">  ...</div>
<div class="line">  &lt;requirements&gt;</div>
<div class="line">    &lt;compilers&gt;</div>
<div class="line">      &lt;compiler name=&quot;ARMCC&quot; version=&quot;5.0.0:5.99.0&quot;/&gt;</div>
<div class="line">    &lt;/compilers&gt;</div>
<div class="line">  &lt;/requirements&gt;</div>
<div class="line">  ...</div>
<div class="line">&lt;/package&gt;</div>
</div><!-- fragment --><p><b>/compiler</b> </p>
<table  class="cmtable" summary="Element: compiler">
<tr>
<th>Parents </th><th colspan="3">Element Chain  </th></tr>
<tr>
<td><a class="el" href="element_requirements_pg.html#element_requirements">requirements</a> </td><td colspan="3"><a class="el" href="element_requirements_pg.html#element_requirements">element_requirements</a>  </td></tr>
<tr>
<th>Attributes </th><th>Description </th><th>Type </th><th>Use  </th></tr>
<tr>
<td>name </td><td>Name of the required <a class="el" href="pdsc_conditions_pg.html#CompilerEnumType">compiler</a> (i.e. "ARMCC", "IAR") </td><td><a class="el" href="pdsc_conditions_pg.html#CompilerEnumType">CompilerEnumType</a> </td><td>required  </td></tr>
<tr>
<td>version </td><td><a class="el" href="pdsc_package_pg.html#VersionType">Version</a> of the required compiler which can be:<ul>
<li>Minimum version (higher versions are accepted).</li>
<li>Version range specified with <em>min_version</em><b>:</b><em>max_version</em>. <em>min_version</em> must be lower or equal than <em>max_version</em>. If <em>min_version</em> and <em>max_version</em> are equal, the version must match. <br/>
  </li>
</ul>
</td><td><a class="el" href="pdsc_package_pg.html#VersionType">VersionType</a> </td><td>required  </td></tr>
</table>
<p>&#160;</p>
<hr/>
<h1><a class="anchor" id="element_languages"></a>
/package/requirements/languages</h1>
<p><b>Example</b> languages section: </p>
<div class="fragment"><div class="line">&lt;<span class="keyword">package </span>xmlns:xsi=&quot;http:<span class="comment">//www.w3.org/2001/XMLSchema-instance&quot; xsi:noNamespaceSchemaLocation=&quot;PACK.xsd&quot;/&gt;</span></div>
<div class="line">  ...</div>
<div class="line">  &lt;requirements&gt;</div>
<div class="line">    &lt;languages&gt;</div>
<div class="line">      &lt;language name=&quot;C&quot; version=&quot;99&quot;/&gt;</div>
<div class="line">    &lt;languages&gt;</div>
<div class="line">  &lt;/requirements&gt;</div>
<div class="line">  ...</div>
<div class="line">&lt;/package&gt;</div>
</div><!-- fragment --><p><b>/language</b> </p>
<table  class="cmtable" summary="Element: language">
<tr>
<th>Parents </th><th colspan="3">Element Chain  </th></tr>
<tr>
<td><a class="el" href="element_requirements_pg.html#element_requirements">requirements</a> </td><td colspan="3"><a class="el" href="element_requirements_pg.html#element_requirements">element_requirements</a>  </td></tr>
<tr>
<th>Attributes </th><th>Description </th><th>Type </th><th>Use  </th></tr>
<tr>
<td>name </td><td>Name of the programming language (i.e. "C", "C++") </td><td>xs:string </td><td>required  </td></tr>
<tr>
<td>version </td><td>Version of the language standard (i.e. 90, 99, etc.). The setting will be reflected in the compiler commandline. </td><td>xs:string </td><td>required  </td></tr>
</table>
<p>&#160;</p>
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